另一个直接问题让他考虑了一会。
One other immediate problem nad held his thoughts for a few moments.
我看了看叔叔。他回答之前停顿了一下，考虑了一会他决定说出来。
I looked at my uncle. He paused before he answered. After thinking awhile, however, he decided to speak.
看到这里，由于要考虑到级联结构，你可能感觉到规则书写变的有点复杂了，别急，歇一会吧，有工具可以帮助我们的，后边会提到。
With hierarchy considerations in mind, you may feel that rule writing is becoming a little complicated. Rest assured that there are tools that help out here, which will be introduced later.
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